| Word root/ prefix | Root Meaning | Words based on the Root |
| A/n | not, without | Abyss - without bottom Achromatic - without colour Anhydrous - without water |
| Acro | top, height, tip, beginning | Acrobat - a "high walker" Acronym - a word formed from the first (capital) letters of a word Acrophobia - fear of height |
| Agr/i/o | farming | Agriculture - management of the land, Agribusiness - making money by utilizing land Agrarian - relating to the management of land Agronomy - the application of soil and plant sciences to land management and crop production |
| Alg/o | pain | Neuralgia - pain caused by a nerve Analgesic - a drug that makes one pain-free Nostalgia - aching for the familiar |
| Ambi, amphi | both, on both sides, around | Ambidextrous - able to use both hands equally Ambiguous - having more than one meaning Ambivalence - conflicting or opposite feelings toward a person or thing Ambivert - Someone having both extrovert and introvert personality traits |
